Albeecht edward babthel



(N0 Model.)

A. E. BARTHEL.

LUBRIOATOR.

Patented Nov. 6, 1883.

N. PETERS. Pholv-Lnmiaphn Wuhinnnm. RC.

UNITE STATES PATENT Grrrcn.

ALBRECHT EDWARD BARTHEL, OF NEW YORK, N. Y.

LUBRIGATOR.

SPECIFICATION forming part of Letters Patent No. 287,900, dated November6, 1883.

Application filed August 25, l8S3., (No model.) I 7 To (ZZZ whom it mayconcern:

Be it known that I, ALBRECHT E. BARTHEL,

of the city, county, and State of New York,

have invented a new and useful Improvement in Lubricators, of which thefollowing is a full, true, and exact description, reference being had tothe accompanying drawing.

The object of my invention is to form a lubricator simple inconstruction and more readily filled and opened than those previouslypatented.

The drawing shows a vertical section through my lubricator.

Arepresents a glass cup,provided at its upper .e ml with a screw-threadcast in the glass itself. Vithin the cup A is placed the lubricatingcompound B. The cup A is preferably cemented at its bottom into theconnection 0. At its upper end the cap D is screwed into the D isprovided with a cylindrical guide, E, formed of the metal of the cap,within which the pressure-cylinder F operates. inder is provided withasuitable packing at its lower extremity, bearing against the sides ofthe cup A. By unscrewing the cap D and removing the cylinder F, the cupA is readily filled with the lubricating compound.

What I claim as my invention, and desire to secure by Letters Patent, is

' The combination of a glass-cup provided with a screw-thread at itsupper extremity, castin the glass, with the inclosing-cap screwed intosaid'thread, and the pressure-cylinder passing through the cap andguided thereby, 3f

substantially as described. a

ALBRECHT EDWARD BARTHEL. Witnesses:

GEo. H. Evens, WM. A. POLLOCK.

This cyl- 2o screw threads cast in the glass A. This cap

